NeuLog Spirometer Logger Sensor Electricity & Magnetism_Electricity & Circuits Optically-worked glass double convex lens

Optically-worked glass double convex lens with a 200mm focal length and 1

sized as the matched replacement for the PH0602A ray box

with extended reference information printed on the reverse

PTFE-key stopcock resists chemical attack on this Ganong potometer

sized for a complete length-versus-strength comparison study using one consistent material

NeuLog Spirometer Logger Sensor Electricity & Magnetism_Electricity & Circuits Optically-worked glass double convex lensFor respiratory physiology investigations, this spirometer data logging sensor reads airflow through an integrated tube and calculates lung volume in liters across 10 L s of breath flow.